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Varies SSJ SSCI Impact Factor Note.-SE p Simple Effectiveness p number of times cited. AE p Article Effectiveness p Simple Effectiveness divided by the average annual number of articles published. IE p Impact Efficiency p (Simple Effectiveness divided by the average number of words per year) times 10,000. SSJ p Social Sciences Journals (about 1,400). SSCI Factors: Social Science Citation Index's "Journal Citation Record" has two quality measures beyond simply the number of times an article/journal has been cited (SE): Impact Factor (number of citations that date from the 2 previous years over the number of articles published in the 2 previous years) and Cited Half-Life (the number of years in the past it takes to incorporate 50% of the citations in the current year). IF p Impact Factor p Simple Effectiveness divided by the number of articles published between 1980 and 1990. AIF p Adjusted Impact Factor p Same as Impact Factor but the number of citations (SE) excludes selfcitations. N.A. p not applicable. * Survey of 106 department chairpersons as to journal quality and perceived journal acceptance rates. † This study also lists the 50 most-cited authors and the 50 most-cited articles. ‡ This uses two more SSCI factors: Immediacy Index (number of citations in a year divided by the number of articles published in the same year) and the (1993) Deurenberg Index (product of the SSCI Impact Factor multiplied by the SSCI Cited Half-Life).